5 files changed, 129 insertions, 2 deletions
diff --git a/test/project/example.gdextension b/test/project/example.gdextension
index 90fd53a..99c1746 100644
--- a/test/project/example.gdextension
+++ b/test/project/example.gdextension
@@ -1,7 +1,7 @@
 [configuration]
 
 entry_symbol = "example_library_init"
-compatibility_minimum = 4.1
+compatibility_minimum = "4.1"
 
 [libraries]
 
diff --git a/test/project/main.gd b/test/project/main.gd
index cedd512..715b13e 100644
--- a/test/project/main.gd
+++ b/test/project/main.gd
@@ -23,6 +23,10 @@ func _ready():
 	# Property list.
 	example.property_from_list = Vector3(100, 200, 300)
 	assert_equal(example.property_from_list, Vector3(100, 200, 300))
+	var prop_list = example.get_property_list()
+	for prop_info in prop_list:
+		if prop_info['name'] == 'mouse_filter':
+			assert_equal(prop_info['usage'], PROPERTY_USAGE_NO_EDITOR)
 
 	# Call simple methods.
 	example.simple_func()
@@ -86,6 +90,9 @@ func _ready():
 	assert_equal(example.test_string_is_fourty_two("blah"), false)
 	assert_equal(example.test_string_is_fourty_two("fourty two"), true)
 
+	# String::resize().
+	assert_equal(example.test_string_resize("What"), "What!?")
+
 	# PackedArray iterators
 	assert_equal(example.test_vector_ops(), 105)
 
@@ -94,6 +101,49 @@ func _ready():
 	example.group_subgroup_custom_position = Vector2(50, 50)
 	assert_equal(example.group_subgroup_custom_position, Vector2(50, 50))
 
+	# Test Object::cast_to<>() and that correct wrappers are being used.
+	var control = Control.new()
+	var sprite = Sprite2D.new()
+	var example_ref = ExampleRef.new()
+
+	assert_equal(example.test_object_cast_to_node(control), true)
+	assert_equal(example.test_object_cast_to_control(control), true)
+	assert_equal(example.test_object_cast_to_example(control), false)
+
+	assert_equal(example.test_object_cast_to_node(example), true)
+	assert_equal(example.test_object_cast_to_control(example), true)
+	assert_equal(example.test_object_cast_to_example(example), true)
+
+	assert_equal(example.test_object_cast_to_node(sprite), true)
+	assert_equal(example.test_object_cast_to_control(sprite), false)
+	assert_equal(example.test_object_cast_to_example(sprite), false)
+
+	assert_equal(example.test_object_cast_to_node(example_ref), false)
+	assert_equal(example.test_object_cast_to_control(example_ref), false)
+	assert_equal(example.test_object_cast_to_example(example_ref), false)
+
+	control.queue_free()
+	sprite.queue_free()
+
+	# Test conversions to and from Variant.
+	assert_equal(example.test_variant_vector2i_conversion(Vector2i(1, 1)), Vector2i(1, 1))
+	assert_equal(example.test_variant_vector2i_conversion(Vector2(1.0, 1.0)), Vector2i(1, 1))
+	assert_equal(example.test_variant_int_conversion(10), 10)
+	assert_equal(example.test_variant_int_conversion(10.0), 10)
+	assert_equal(example.test_variant_float_conversion(10.0), 10.0)
+	assert_equal(example.test_variant_float_conversion(10), 10.0)
+
+	# Test that ptrcalls from GDExtension to the engine are correctly encoding Object and RefCounted.
+	var new_node = Node.new()
+	example.test_add_child(new_node)
+	assert_equal(new_node.get_parent(), example)
+
+	var new_tileset = TileSet.new()
+	var new_tilemap = TileMap.new()
+	example.test_set_tileset(new_tilemap, new_tileset)
+	assert_equal(new_tilemap.tile_set, new_tileset)
+	new_tilemap.queue_free()
+
 	# Constants.
 	assert_equal(Example.FIRST, 0)
 	assert_equal(Example.ANSWER_TO_EVERYTHING, 42)
diff --git a/test/project/project.godot b/test/project/project.godot
index eafcad3..3ed679b 100644
--- a/test/project/project.godot
+++ b/test/project/project.godot
@@ -12,7 +12,7 @@ config_version=5
 
 config/name="GDExtension Test Project"
 run/main_scene="res://main.tscn"
-config/features=PackedStringArray("4.1")
+config/features=PackedStringArray("4.2")
 config/icon="res://icon.png"
 
 [native_extensions]
diff --git a/test/src/example.cpp b/test/src/example.cpp
index fb47dd8..dc471dd 100644
--- a/test/src/example.cpp
+++ b/test/src/example.cpp
@@ -117,6 +117,14 @@ bool Example::_property_get_revert(const StringName &p_name, Variant &r_property
 	}
 };
 
+void Example::_validate_property(PropertyInfo &p_property) const {
+	String name = p_property.name;
+	// Test hiding the "mouse_filter" property from the editor.
+	if (name == "mouse_filter") {
+		p_property.usage = PROPERTY_USAGE_NO_EDITOR;
+	}
+}
+
 void Example::_bind_methods() {
 	// Methods.
 	ClassDB::bind_method(D_METHOD("simple_func"), &Example::simple_func);
@@ -139,8 +147,20 @@ void Example::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("test_string_ops"), &Example::test_string_ops);
 	ClassDB::bind_method(D_METHOD("test_str_utility"), &Example::test_str_utility);
 	ClassDB::bind_method(D_METHOD("test_string_is_fourty_two"), &Example::test_string_is_fourty_two);
+	ClassDB::bind_method(D_METHOD("test_string_resize"), &Example::test_string_resize);
 	ClassDB::bind_method(D_METHOD("test_vector_ops"), &Example::test_vector_ops);
 
+	ClassDB::bind_method(D_METHOD("test_object_cast_to_node", "object"), &Example::test_object_cast_to_node);
+	ClassDB::bind_method(D_METHOD("test_object_cast_to_control", "object"), &Example::test_object_cast_to_control);
+	ClassDB::bind_method(D_METHOD("test_object_cast_to_example", "object"), &Example::test_object_cast_to_example);
+
+	ClassDB::bind_method(D_METHOD("test_variant_vector2i_conversion", "variant"), &Example::test_variant_vector2i_conversion);
+	ClassDB::bind_method(D_METHOD("test_variant_int_conversion", "variant"), &Example::test_variant_int_conversion);
+	ClassDB::bind_method(D_METHOD("test_variant_float_conversion", "variant"), &Example::test_variant_float_conversion);
+
+	ClassDB::bind_method(D_METHOD("test_add_child", "node"), &Example::test_add_child);
+	ClassDB::bind_method(D_METHOD("test_set_tileset", "tilemap", "tileset"), &Example::test_set_tileset);
+
 	ClassDB::bind_method(D_METHOD("test_bitfield", "flags"), &Example::test_bitfield);
 
 	ClassDB::bind_method(D_METHOD("test_rpc", "value"), &Example::test_rpc);
@@ -304,6 +324,16 @@ bool Example::test_string_is_fourty_two(const String &p_string) const {
 	return strcmp(p_string.utf8().ptr(), "fourty two") == 0;
 }
 
+String Example::test_string_resize(String p_string) const {
+	int orig_len = p_string.length();
+	p_string.resize(orig_len + 3);
+	char32_t *data = p_string.ptrw();
+	data[orig_len + 0] = '!';
+	data[orig_len + 1] = '?';
+	data[orig_len + 2] = '\0';
+	return p_string;
+}
+
 int Example::test_vector_ops() const {
 	PackedInt32Array arr;
 	arr.push_back(10);
@@ -348,6 +378,38 @@ Example *Example::test_node_argument(Example *p_node) const {
 	return p_node;
 }
 
+bool Example::test_object_cast_to_node(Object *p_object) const {
+	return Object::cast_to<Node>(p_object) != nullptr;
+}
+
+bool Example::test_object_cast_to_control(Object *p_object) const {
+	return Object::cast_to<Control>(p_object) != nullptr;
+}
+
+bool Example::test_object_cast_to_example(Object *p_object) const {
+	return Object::cast_to<Example>(p_object) != nullptr;
+}
+
+Vector2i Example::test_variant_vector2i_conversion(const Variant &p_variant) const {
+	return p_variant;
+}
+
+int Example::test_variant_int_conversion(const Variant &p_variant) const {
+	return p_variant;
+}
+
+float Example::test_variant_float_conversion(const Variant &p_variant) const {
+	return p_variant;
+}
+
+void Example::test_add_child(Node *p_node) {
+	add_child(p_node);
+}
+
+void Example::test_set_tileset(TileMap *p_tilemap, const Ref<TileSet> &p_tileset) const {
+	p_tilemap->set_tileset(p_tileset);
+}
+
 BitField<Example::Flags> Example::test_bitfield(BitField<Flags> flags) {
 	return flags;
 }
diff --git a/test/src/example.h b/test/src/example.h
index a84efed..49d103e 100644
--- a/test/src/example.h
+++ b/test/src/example.h
@@ -18,6 +18,8 @@
 #include <godot_cpp/classes/global_constants.hpp>
 #include <godot_cpp/classes/image.hpp>
 #include <godot_cpp/classes/input_event_key.hpp>
+#include <godot_cpp/classes/tile_map.hpp>
+#include <godot_cpp/classes/tile_set.hpp>
 #include <godot_cpp/classes/viewport.hpp>
 
 #include <godot_cpp/core/binder_common.hpp>
@@ -63,6 +65,7 @@ protected:
 	void _get_property_list(List<PropertyInfo> *p_list) const;
 	bool _property_can_revert(const StringName &p_name) const;
 	bool _property_get_revert(const StringName &p_name, Variant &r_property) const;
+	void _validate_property(PropertyInfo &p_property) const;
 
 	String _to_string() const;
 
@@ -118,8 +121,20 @@ public:
 	String test_string_ops() const;
 	String test_str_utility() const;
 	bool test_string_is_fourty_two(const String &p_str) const;
+	String test_string_resize(String p_original) const;
 	int test_vector_ops() const;
 
+	bool test_object_cast_to_node(Object *p_object) const;
+	bool test_object_cast_to_control(Object *p_object) const;
+	bool test_object_cast_to_example(Object *p_object) const;
+
+	Vector2i test_variant_vector2i_conversion(const Variant &p_variant) const;
+	int test_variant_int_conversion(const Variant &p_variant) const;
+	float test_variant_float_conversion(const Variant &p_variant) const;
+
+	void test_add_child(Node *p_node);
+	void test_set_tileset(TileMap *p_tilemap, const Ref<TileSet> &p_tileset) const;
+
 	BitField<Flags> test_bitfield(BitField<Flags> flags);
 
 	// RPC